From: Jakub Kicinski <kuba@kernel.org>
To: Martin Karsten <mkarsten@uwaterloo.ca>
Cc: Samiullah Khawaja <skhawaja@google.com>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
almasrymina@google.com, willemb@google.com,
Joe Damato <joe@dama.to>,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next v9 0/2] Add support to do threaded napi busy poll
Date: Fri, 12 Sep 2025 19:07:02 -0700 [thread overview]
Message-ID: <20250912190702.3d0309a0@kernel.org> (raw)
In-Reply-To: <17e52364-1a8a-40a4-ba95-48233d49dc30@uwaterloo.ca>
On Fri, 12 Sep 2025 04:08:21 -0400 Martin Karsten wrote:
> The xsk_rr tool represents a specific (niche) case that is likely
> relevant, but a comprehensive evaluation would also include mainstream
> communication patterns using an existing benchmarking tool. While
> resource usage is claimed to not be a concern in this particular use
> case, it might be quite relevant in other use cases and as such, should
> be documented.
Thanks a lot for working on this.
Were you able to replicate the results? Would you be willing to perhaps
sketch out a summary of your findings that we could use as the cover
letter / addition to the docs?
I agree with you that the use cases for this will be very narrow (as
are the use cases for threaded NAPI in the first place, don't get me
started). For forwarding use cases, however, this may be the only
option for busy polling, unfortunately :(
next prev parent reply other threads:[~2025-09-13 2:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-11 21:28 [PATCH net-next v9 0/2] Add support to do threaded napi busy poll Samiullah Khawaja
2025-09-11 21:29 ` [PATCH net-next v9 1/2] Extend napi threaded polling to allow kthread based busy polling Samiullah Khawaja
2025-09-13 1:46 ` Jakub Kicinski
2025-09-15 16:24 ` Samiullah Khawaja
2025-09-11 21:29 ` [PATCH net-next v9 2/2] selftests: Add napi threaded busy poll test in `busy_poller` Samiullah Khawaja
2025-09-12 8:08 ` [PATCH net-next v9 0/2] Add support to do threaded napi busy poll Martin Karsten
2025-09-12 16:22 ` Willem de Bruijn
2025-09-13 2:07 ` Jakub Kicinski [this message]
2025-09-13 16:03 ` Martin Karsten
2025-09-15 16:26 ` Samiullah Khawaja
2025-09-12 20:22 ` Stanislav Fomichev
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